User Guide Part 3
DRAFT
Appendix C Safety, Handling, & Support 145
When the iPhone software is restored, you can either set it up as a new iPhone, or restore your
music, videos, app data, and other content from a backup.
For more information about restoring iPhone software, go to support.apple.com/kb/HT1414.
Using iPhone on cellular networks
iPhone connects to the Internet using Wi-Fi or your carrier’s cellular network. If iPhone is
connected to the Internet via the cellular data network, the , , , , or icon appears in the
status bar.
LTE, 4G and 3G service on GSM cellular networks support simultaneous voice and data
communications. For all other cellular connections, you can’t use Internet services while you’re
talking on the phone unless iPhone also has a Wi-Fi connection to the Internet. Depending on
your network connection, you may not be able to receive calls while iPhone transfers data over
the cellular network—when downloading a webpage, for example.
GSM networks: On an EDGE or GPRS connection, incoming calls may go directly to voicemail
during data transfers. For incoming calls that you answer, data transfers are paused.
CDMA networks: On EV-DO connections, data transfers are paused when you answer incoming
calls. On 1xRTT connections, incoming calls may go directly to voicemail during data transfers.
For incoming calls that you answer, data transfers are paused.
Data transfer resumes when you end the call.
If you don’t want to use the cellular network for Internet access, turn o Cellular Data at Settings
> Cellular Data. Then all data services use only Wi-Fi—including email, web browsing, push
notications, and other services.
To check your cellular usage, go to Settings > General > Usage.
Using iPhone with other carriers
Some carriers let you unlock iPhone for use with their network. To see if your carrier oers this
option, go to support.apple.com/kb/HT1937.
Contact your carrier for authorization and setup information. You need to connect iPhone to
iTunes to complete the process. Additional fees may apply.
For more information, go to support.apple.com/kb/HT5014.
Learning more, service, and support
This table describes where to get more iPhone-related safety, software, and service information.
To learn about Do this
Using iPhone safely See Important safety information on page 138.
iPhone service and support, tips, forums, and Apple
software downloads
Go to www.apple.com/support/iphone.
Service and support from your carrier Contact your carrier or go to your carrier’s website.
The latest information about iPhone Go to www.apple.com/iphone.
Managing your Apple ID account Go to appleid.apple.com.
APPLE CONFIDENTIAL